(19)

(11)

EP 3 991 048 A1

(12)

(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 20751339.1 (22) Date of filing: 10.06.2020

(51) International Patent Classification (IPC):  G06F 11/36(2006.01) G06N 20/00(2019.01) G06N 3/063(2006.01) (52) Cooperative Patent Classification (CPC): G06F 11/3668; G06N 20/00; G06E 1/045; G06N 3/063 (86) International application number: PCT/US2020/036868 (87) International publication number: WO 2021/021304 (04.02.2021 Gazette 2021/05)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 26.07.2019 US 201916523732 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)	(72) Inventor: HOUSE, Barton Robert, Jr. Redmond, Washington 98052-6399 (US) (74) Representative: Townsend, Martyn et al Page White & Farrer Bedford House John Street London WC1N 2BF London WC1N 2BF (GB)